2120755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 3225600

約数和(自身を除く): 1104845

約数列:

[1, 5, 7, 13, 35, 59, 65, 79, 91, 295, 395, 413, 455, 553, 767, 1027, 2065, 2765, 3835, 4661, 5135, 5369, 7189, 23305, 26845, 32627, 35945, 60593, 163135, 302965, 424151, 2120755]

約数ペア:

[(1, 2120755), (5, 424151), (7, 302965), (13, 163135), (35, 60593), (59, 35945), (65, 32627), (79, 26845), (91, 23305), (295, 7189), (395, 5369), (413, 5135), (455, 4661), (553, 3835), (767, 2765), (1027, 2065)]